Deuteronomy 19:15

19:15 A single witness may not testify against another person for any trespass or sin that he commits. A matter may be legally established only on the testimony of two or three witnesses.

Mark 14:57-59

14:57 Some stood up and gave this false testimony against him: 14:58 “We heard him say, ‘I will destroy this temple made with hands and in three days build another not made with hands.’” 14:59 Yet even on this point their testimony did not agree.